﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Calculator
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        { }
      
       
            private void button1_Click(object sender, EventArgs e) { 
                double num1 ;
                double num2 ;
            try
            {
                num1 = double.Parse(textBox_num1.Text);
                num2 = double.Parse(textBox_num2.Text);
            }
            catch
            {
                label_result.Text = "error";
                return;

            }
            switch (textBox_sign.Text)
            {

            
                 
                    case "+":
                        Console.WriteLine($"{num1}+{num2}={num1 + num2}");
                        break;
                    case "-":
                        Console.WriteLine($"{num1}-{num2}={num1 - num2}");
                        break;
                    case "*":
                        Console.WriteLine($"{num1}*{num2}={num1 * num2}");
                        break;
                    case "/":
                        Console.WriteLine($"{num1}/{num2}={num1 / num2}");
                        break;
                }

                Console.ReadKey();

            }
        }
    }
    

